icon.cpp

Go to the documentation of this file.

/*
 * Copyright (C) Volition, Inc. 1999.  All rights reserved.
 *
 * All source code herein is the property of Volition, Inc. You may not sell 
 * or otherwise commercially exploit the source or things you created based on the 
 * source.
 *
*/



#include "globalincs/alphacolors.h"
#include "ui/ui.h"
#include "ui/uidefs.h"



// ---------------------------------------------------------------------------------------
// UI_ICON::create()
//
//
void UI_ICON::create(UI_WINDOW *wnd, char *_text, int _x, int _y, int _w, int _h)
{
        if (_text)      
                text = vm_strdup(_text);
        else
                text = NULL;

        base_create(wnd, UI_KIND_ICON, _x, _y, _w, _h);
        m_flags = 0;
}

void UI_ICON::destroy()
{
        if (text) {
                vm_free(text);
                text = NULL;
        }

        UI_GADGET::destroy();
}

void UI_ICON::draw()
{
        if (uses_bmaps) {
                gr_reset_clip();
                if (disabled_flag) {
                        if (bmap_ids[ICON_DISABLED] != -1) {
                                gr_set_bitmap(bmap_ids[ICON_DISABLED]);
                                gr_bitmap(x,y,GR_RESIZE_MENU);
                        }

                } else if (this->is_mouse_on()) {
                        if (B1_PRESSED) {
                                if (bmap_ids[ICON_SELECTED] != -1) {
                                        gr_set_bitmap(bmap_ids[ICON_SELECTED]);
                                        gr_bitmap(x, y, GR_RESIZE_MENU);
                                }

                        } else {
                                if (bmap_ids[ICON_HIGHLIGHT] != -1) {
                                        gr_set_bitmap(bmap_ids[ICON_HIGHLIGHT]);
                                        gr_bitmap(x, y, GR_RESIZE_MENU);
                                }
                        }

                } else {
                        if (bmap_ids[ICON_NORMAL] != -1) {
                                gr_set_bitmap(bmap_ids[ICON_NORMAL]);
                                gr_bitmap(x, y, GR_RESIZE_MENU);
                        }
                }

        } else {
                gr_set_font(my_wnd->f_id);
                gr_set_clip(x, y, w, h, GR_RESIZE_MENU);

                ui_draw_box_out(0, 0, w-1, h-1);
                if (disabled_flag)
                        gr_set_color_fast(&CDARK_GRAY);
                else 
                        gr_set_color_fast(&CBLACK);

                if (text)
                        ui_string_centered(Middle(w), Middle(h), text);

                gr_reset_clip();
        }
}

// -----------------------------------------------------------------------
// process()
//
void UI_ICON::process(int focus)
{
        int OnMe;

        if (disabled_flag) {
                return;
        }

        OnMe = is_mouse_on();

        if (!OnMe) {
                m_flags |= ICON_NOT_HIGHLIGHTED;

        } else {
                if ( m_flags & ICON_NOT_HIGHLIGHTED ) {
                        m_flags |= ICON_JUST_HIGHLIGHTED;
                        // if a callback exists, call it
                        m_flags &= ~ICON_NOT_HIGHLIGHTED;
                }
        }
}